---

Activity

2024

• ROCKS IN LUNAR REGOLITH: SMALL IS BEAUTIFUL, REDUX
  T218 The G.K. Gilbert Award Session: Planetary Samples. A Valuable Link Between Apollo and Future Generations of Solar System Explorers
  Tuesday, 24 September 2024

  1:30 PM - 5:30 PM

  213A

---

2021

• THE EOARCHEAN- PALEOARCHEAN BOUNDARY: THE CURRENT DISCUSSION
  T214 Life's Innovations from the Early Earth to the Search on Modern Mars II: Honoring the Career of Andrew H. Knoll
  Wednesday, 13 October 2021

  8:00 AM - 12:00 PM

  Portland Ballroom 255 (Hybrid Room)

---

2020

• FLUORINE PARTITIONING BETWEEN QUADRILATERAL CLINOPYROXENES AND MELT
  T241 Experimental and Petrologic Investigation of Halogens, Sulfur, and Other Volatile Species in Igneous Systems: In Honor of Jim Webster
  Friday, 30 October 2020

  10:00 AM - 2:00 PM

  Meeting Rooms

---

2019

• A LOWER CRUSTAL PERSPECTIVE ON THE SCOTTISH AND IRISH CALEDONIDES
  T243 New Developments in the Appalachian-Caledonian-Variscan Orogen I
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  Room 229B, North Building

---

2017

• SILICON ISOTOPE RECORD OF EARLY SILICIFIED PALEOARCHEAN (~3.3 GA) KOMATIITES FROM THE ONVERWACHT GROUP, BARBERTON GREENSTONE BELT, SOUTH AFRICA
  278 D50. Precambrian Geology (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• SULFUR PARTITIONING BETWEEN CLINOPYROXENE AND MELT: TACKLING GAS LOADS FROM LIP MAGMAS
  T228 Mass Extinctions II: Past, Present, and Future?
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Room 608
• HOW MUCH CAN PHOSPHATES IN LUNAR BRECCIAS TELL US ABOUT THE IMPACT HISTORY OF THE MOON?
  T113 Impact Cratering: From Fire to Ice—Cratering across the Solar System
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Tahoma 1
• SILICON ISOTOPE STRATIGRAPHY OF 2.728 TO 2.722 GA IRON FORMATION AND ASSOCIATED SILICIFIED ROCKS FROM THE ABITIBI GREENSTONE BELT, CANADA
  3 D49. Recent Advances in Precambrian Geology
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Room 3A

---

2016

• POTASSIUM-RICH FLUID INDUCED PARTIAL MELTING IN THE LOWER CONTINENTAL CRUST BENEATH NORTHERN ARABIA
  334 Mineralogy/Crystallography (Posters)
  Wednesday, 28 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• ORIGIN OF >3.65 GA QUARTZ-AMPHIBOLE-PYROXENE ROCKS FROM AKILIA, SW GREENLAND: AN INTEGRATED FIELD AND MINERAL COMPOSITION INVESTIGATION
  1 Precambrian Geology
  Sunday, 25 September 2016

  8:00 AM - 12:00 PM

  Room 302

---

2015

• MICRO-SCALE SILICON ISOTOPE HETEROGENEITY OBSERVED IN HYDROTHERMAL QUARTZ PRECIPITATES FROM THE >3.7 GA ISUA GREENSTONE BELT, SW GREENLAND
  309 Precambrian Geology (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall

---

2014

• DUNITE HOSTED NI-CU-PGE DEPOSITS IN THE REINFJORD ULTRAMAFIC (UM) COMPLEX, SEILAND IGNEOUS PROVINCE (SIP), NORWAY
  61 Recent Advances in Economic Geology
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  207
• FROM SOURCE TO SINK: SILICON ISOTOPE COMPOSITION OF BEDROCK, DETRITAL QUARTZ ARENITES, CHERT, AND BIF FROM THE ~3 GA BUHWA GREENSTONE BELT, ZIMBABWE
  T85 Precambrian Sedimentology: From the Field to the Laboratory II
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  204
• INSIGHTS INTO BARIUM DIAGENESIS USING IN SITU S ISOTOPE MEASUREMENTS OF BARITE AND PYRITE IN MARCELLUS SHALE
  53 Marcellus and Utica Shales: Geology, Natural Gas Production, and Water Resources Issues I
  Monday, 24 March 2014

  1:30 PM - 5:30 PM

  Commonwealth Salon 3

---

2013

• SILICON ISOTOPE COMPOSITION OF ARCHEAN CHERTS FROM >3.7 GA TO 2.7 GA DETERMINED BY SECONDARY ION MASS SPECTROMETRY (SIMS)
  269 Precambrian Geology
  Tuesday, 29 October 2013

  1:00 PM - 5:00 PM

  Mile High Ballroom 4EF
• INSIGHTS INTO BARITE DIAGENESIS USING IN SITU S ISOTOPE MEASUREMENTS OF BARITE AND PYRITE IN MARCELLUS SHALE
  T150 Geochemistry of Flowback and Produced Waters from Hydraulically Fractured Black Shale (Posters)
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D

---

2012

• THE AHEIMIR VOLCANIC SUITE AN EDIACARAN POST-COLLISIONAL SEQUENCE FROM THE NORTHERNMOST ARABIAN NUBIAN SHIELD, WADI ARABA, SW JORDAN: AGE, GEOCHEMISTRY AND PETROGENESIS
  19 Mineralogy and Petrology
  Tuesday, 24 April 2012

  8:40 AM - 11:40 AM

  Room 204
• LOWER CRUST XENOLITHS FROM TEL THANNOUN, SYRIA: INSIGHTS INTO THE LOWER CRUST OF AFRO-ARABIA (AND MAYBE TRANS-PECOS TEXAS)
  7 Tectonic History of the Trans-Pecos Region
  Thursday, 8 March 2012

  1:30 PM - 5:00 PM

  Espino A & B

---

2010

• U-PB AGES OF ZIRCON, MONAZITE, AND XENOTIME IN THE HARNEY PEAK GRANITE, BLACK HILLS, SD: IMPLICATIONS FOR THE TIMING AND DURATION OF SYN- TO POST-OROGENIC MAGMATISM
  24 Structural and Tectonic Evolution of the Proterozoic Trans-Hudson–Archean Wyoming Province Boundary
  Friday, 23 April 2010

  8:00 AM - 10:00 AM

  Alpine Room
• MORE EVIDENCE THAT THE BLACK HILLS DOMAIN WAS ORIGINALLY PART OF THE ARCHEAN WYOMING CRATON: OCCURRENCES OF 3.8-2.6 GA DETRITAL ZIRCONS IN 2.5-1.9 GA METASEDIMENTARY ROCKS
  24 Structural and Tectonic Evolution of the Proterozoic Trans-Hudson–Archean Wyoming Province Boundary
  Friday, 23 April 2010

  8:00 AM - 10:00 AM

  Alpine Room

---

2009

• ASTROBIOLOGICAL SIGNIFICANCE OF EARLY ARCHEAN ROCKS, OUTER GODTHåBSFJORD, SW GREENLAND: STILL SEARCHING, AND WHAT ARE WE FINDING?
  148 Earth et al.—Our Planets from the Hadean to Today
  Tuesday, 20 October 2009

  8:15 AM - 12:00 PM

  Portland Ballroom 254
• MICROBES USE BOTH ELEMENTAL SULFUR AND SULFATE AT 3.3 GA IN THE BARBERTON GREENSTONE BELT, SOUTH AFRICA
  T206 Greenstone Belts, Archaean Earth, and Early Life
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  B116

---

2008

• Direct Dating of Low-Ti Magnetite Deposits in the Lyon Mountain Gneiss by U/Pb Zircon Geochronology
  T185 Recent Advances in the Understanding of Adirondack and Southern Grenville Province Tectonics I: In Honor of James McLelland
  Monday, 6 October 2008

  8:00 AM - 12:00 PM

---

2007

• THE VINDHYAN ENIGMA REVISITED
  120 Paleontology V: Early Life
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

---

2006

• MICRO-SCALE HETEROGENEITY AND REDISTRIBUTION OF IRON ISOTOPES IN EARTH'S OLDEST BANDED IRON FORMATION REVEALED BY SECONDARY ION MASS SPECTROMETRY
  156 Precambrian Geology
  Tuesday, 24 October 2006

  1:30 PM - 5:30 PM
• CRITICAL ASSESSMENT OF THE GEOLOGIC AND ISOTOPIC EVIDENCE CONCERNING EARTH'S OLDEST ENVIRONMENTS AND CLAIMS FOR LIFE ON AKILIA, SW GREENLAND
  16 New Views on Old Rocks: Insights on Biospheric Evolution from the Precambrian Sedimentary Record
  Thursday, 23 March 2006

  1:30 PM - 3:45 PM

---

2005

• COMBINED PB AND S ISOTOPES IN ANCIENT SULPHIDES FROM SW GREENLAND
  12 The First 800 Million Years—The Initial Earth System
  Tuesday, 9 August 2005

  9:00 AM - 12:00 PM
• VOLCANIC RESURFACING OF THE EARLY TERRESTRIAL CRUST: ZIRCON U-PB AND REE CONSTRAINTS FROM THE ISUA GREENSTONE BELT, SW GREENLAND
  12 The First 800 Million Years—The Initial Earth System
  Tuesday, 9 August 2005

  9:00 AM - 12:00 PM

---

Date Unknown

• DO IRON ISOTOPES REQUIRE A BIF ORIGIN FOR QUARTZ-PYROXENE ROCKS ON AKILIA, SW GREENLAND?
  T147 Emerging New Methods in Early Earth Studies: Unraveling the Co-Evolution of Earth and Life (Posters)
• New Evidence for 2.01 Ga Rifting of the Easternmost Wyoming Craton (Black Hills, South Dakota): Implications for Break-up of a Supercraton (Superia)
  145 Precambrian Geology (Posters)
• U-Pb Geochronologic Study of Magmatic Zircon in Paleoproterozoic Granitic Pegmatite and Associated Metapelites, Black Hills, South Dakota: Implications for Gold Petrogenesis and Sedimentary Provenance
  145 Precambrian Geology (Posters)
• Was the Black Hills Domain (South Dakota) Always Part of the Archean Wyoming Craton?: New Evidence from ~3.4-2.7 Ga Detrital-Zircon Populations Found in Both ~1.9 and ~2.5 Ga Strata
  145 Precambrian Geology (Posters)